Essential structure of opioid κ receptor agonist nalfurafine for binding to κ receptor 1: synthesis of decahydroisoquinoline derivatives and their pharmacologies.


On the basis of the three-dimensional pharmacophore model of opioid κ agonists, we simplified the structure of nalfurafine (selective κ agonist) to find the essential structural moieties for binding the opioid receptors, especially κ receptor type. As a result, we found that the trans-fused decahydroisoquinoline derivatives without a phenol ring bound the… (More)


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